Use-after-free in ARM products - CVE-2023-4272

Vulnerability identifier: #VU83834

CSH Severity: Low

CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-4272

CWE-ID: CWE-416

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error. A local user can gain access to sensitive kernel data.

Midgard GPU Kernel Driver
Bifrost GPU Kernel Driver
Valhall GPU Kernel Driver
Arm 5th Gen GPU Architecture Kernel Driver
Samsung Mobile Firmware
Google Android

Install updates from vendor's website.

Bifrost GPU Kernel Driver - update to r42p0
Valhall GPU Kernel Driver - update to r42p0
Arm 5th Gen GPU Architecture Kernel Driver - update to r42p0
Samsung Mobile Firmware - update to SMR-JAN-2024
Google Android - addressed in versions 11 2023-12-05, 12L 2023-12-05, 12 2023-12-05, 13 2023-12-05, 14 2023-12-05

• https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities

• Information disclosure in Mali GPU Kernel Driver
• Multiple vulnerabilities in Google Android
• Multiple vulnerabilities in Samsung Mobile Firmware